Blood gases sampling probe
CA 1107616 A · Owner: Her Majesty The Queen In Right Of Canada As Represented By The Minister Of National Defence Of Her Majesty'S Canadian Government · Inventors: Porlier, Joseph G. A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device and method are provided for separating gases from a stream of blood passing through the device. The device comprises a gas impervious chamber having at least three openings, a porous body contained in the chamber and defining a passage extending between a first and second of said three openings, and a gas permeable membrane lining the passage. The membrane is supported against deformation by the porous body and extends between the first and second openings. A third of the three openings is positioned to withdraw gases from the porous body whereby upon flowing the stream of blood through the device by way of the first opening, the passage and the second opening gases from, the blood …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted August 25, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 25, 1998.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.